public class Congress extends  Approver{
    public Congress(String name) {
        super(name);
    }


    public String processRequest(PurchaseRequest request) {
        return "召开董事会审批采购单：" + request.getNumber() + "，金额：" + request.getAmount() + "元，采购目的：" + request.getPurpose() + "。";
    }

}
